reky: Rivers
In RCzechia: Spatial Objects of the Czech Republic

View source: R/reky.R

reky	R Documentation

Rivers

Description

Function returning data frame of rivers of the Czech Republic as sf lines. It takes a single parameter scope with default "global".

Usage

reky(scope = "global", resolution = "high")

Arguments

`scope`	Should the function return all rivers, or just Vltava in Prague / Svitava & Svratka in Brno?
`resolution`	Should the function return high or low resolution shapefile? Allowed values are "high" (default) and "low". This parameter affects only the geometry column, all other fields remain the same.

Details

Two special case scopes are defined: Praha (returning the part of Vltava in and around Prague) and Brno (returning Svitava and Svratka near and around Brno).

Due to package size constraints the data are stored externally (and a working internet connection is required to use the package).

The data is current to January 2021. Downloaded size is 4.4 MB.

Value

sf data frame with 3.617 rows of 4 variables + geometry:

TYP: Type of river
NAZEV: Name, with Czech accents
Navigable: Boolean indicating navigability of river.
Major: Boolean indicating one of the major rivers.

Source

Mapový podklad – Data200, 2021 © Český úřad zeměměřický a katastrální. https://cuzk.gov.cz>

Examples

library(sf)

plot(st_geometry(subset(okresy(), KOD_LAU1 == "CZ0642"))) # Brno city
plot(reky("Brno"), add = TRUE) # Svitava & Svratka added to Brno my city plot

RCzechia documentation built on April 4, 2025, 12:29 a.m.